Réponses

2014-03-08T13:30:32+01:00
5)A= 2-3*5^2-4*(-2)^3
= 2 - 3*25 - 4*(-8)
= 2 - 75 + 32
= -41

B= -2^6+(-3)^2
= -64 - 3^2
= -64 + 9
= -55

C= 8+2*3^-2-5
= 8 + 2*1/9 - 5
= 8 + 2/9 - 5
= 29/9